GO language Read and write files

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Package Mainimport ("FMT"//This contains a variety of input and output "OS") Func main () {var f *os. File;//file Handlevar Err error;f, err = os. Open ("A.xml");//create file can be used OS. CreateFile ("A.xml"); if err! = Nil {fmt. Printf ("%s\n", err); return;} var str string;_,err = FMT. FSCANF (F, "%s", &str);//The first return value is an integer representing the number of variables that have been successfully read, and the second return value is the error message for err = = Nil {//When ERR is not nil, the end of the file is read _,err = FMT. FSCANF (F, "%s", &str), FMT. Printf ("%s\n", str);}}